Virtuoso Large
VerifiedClosed-source LLM built for extended text context handling.
About Virtuoso Large
Arcee-ai designed Virtuoso Large as a proprietary LLM with an emphasis on large-scale context retention. The architecture accommodates input sequences far beyond typical limits, enabling coherent reasoning across extended passages. Access remains restricted to hosted endpoints rather than downloadable weights.
Strengths center on sustained performance during long interactions and detailed text analysis. Organizations deploy it for research synthesis, legal document review, and multi-turn customer support workflows. Integration happens through Arcee-ai's platform services without local installation options.
Capabilities
How Virtuoso Large compares
Virtuoso Large (striped bar) vs other language models on intelligence, speed and price.
Price
USD per 1M output tokens · Lower is better · Virtuoso Large ranks #62 of 98
Sources: Artificial Analysis (intelligence, speed) · OpenRouter (price).
Best for
Long legal document review
Processes full contracts or case files up to 131k tokens to extract clauses, risks, and obligations in one pass.
Academic literature synthesis
Summarizes multiple research papers or a full thesis while maintaining cross-references and key findings.
Extended technical Q&A
Answers detailed questions over large codebases, manuals, or reports by following precise instructions across the entire context.
Strengths & limitations
Strengths
- +Very large context window
- +Strong text-only language modeling
- +Suitable for extended document tasks
Limitations
- –Text modality only
- –No native vision or multimodal support
- –Higher compute needs at full context length
Cost calculator
Estimate what Virtuoso Large would cost for your usage.
Based on Virtuoso Large's $0.75/1M input · $1.20/1M output. Estimate only — actual cost varies by provider and caching.
Quick start
OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. Only the model slug changes between models.
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const completion = await client.chat.completions.create({
model: "arcee-ai/virtuoso-large",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(completion.choices[0].message.content);Model slug: arcee-ai/virtuoso-large
Editor's verdict
Virtuoso Large is Arcee-ai's proprietary language models with a 131K-token context window.
At $1.20 per 1M output tokens, it is mid-priced for its class.
It is available through Arcee-ai's API and aggregators like OpenRouter.
Best suited to very large context window and strong text-only language modeling.
Frequently asked questions
It supports 131072 tokens of context.
User reviews
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